Lithium ion battery cell



FIG. 1 is a top perspective view of a lithium ion battery cell showingour new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right side elevation view thereof, the left side elevationview being identical;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom perspective view thereof.

The broken lines in the drawings are for the purpose of illustratingportions of the lithium ion battery cell that form no part of theclaimed design.

CLAIM The ornamental design for a lithium ion battery cell, as shown anddescribed.